Revert "Second attempt:   capturePointer()/releasePointer() call fix for pointer event model"
Revert "Second attempt:   capturePointer()/releasePointer() call fix for pointer event model"

This reverts commit 1bdb83dc583889582c23d7276659143bdaf41fee.

shaunstanislaus/openseadragon,msalsbery/openseadragon,seanich/openseadragon,TMUND/openseadragon,goofwear/openseadragon,avandecreme/openseadragon,jmnetus/openseadragon,lidasong2014/openseadragon,openseadragon/openseadragon,ricochet2200/openseadragon,seanich/openseadragon,shaunstanislaus/openseadragon,lidasong2014/openseadragon,jmnetus/openseadragon,rdlester/openseadragon,msalsbery/openseadragon,LarissaSmith/openseadragon,TMUND/openseadragon,daverome/openseadragon,Iced-Tea/openseadragon,Iced-Tea/openseadragon,avandecreme/openseadragon,openseadragon/openseadragon,mcanthony/openseadragon,LarissaSmith/openseadragon,daverome/openseadragon,rdlester/openseadragon,ricochet2200/openseadragon,mcanthony/openseadragon,goofwear/openseadragon